Abstract: Use of a composition comprises a compound of Formula 1 and a compound of Formula 2 in a nonaqueous battery electrolyte formulation wherein R is a fluorinated alkyl group and X is selected from the group consisting of F, Cl, H, CF3, and C1 to C6 alkyl which may be at least partially fluorinated and the group OR can be cis- or trans- to any other group: wherein R and R? are H, F, Cl, CF3, alkyl or fluoroalkyl.

Abstract: The present application provides a flame-retardant electrolyte. The flame-retardant electrolyte includes a specific solvent; a lithium salt; and a fluorinated solvent. The specific solvent is carbonate solvent, ether solvent, succinonitrile, sulfolane, tetraglyme, ionic liquid or a combination thereof. Or, the flame-retardant electrolyte comprises 1-Butyl-1-methylpyrrolidinium bis (trifluoromethylsulfonyl)imide, lithium salt, and carbonate solvent.

Abstract: Provided is a technique that can obtain a wound electrode body simply and conveniently. One aspect of a battery herein disclosed is provided with a wound electrode body in which a strip-shaped positive electrode and a strip-shaped negative electrode are wound around in a predetermined winding direction around a winding axis via a strip-shaped separator. The second separator includes a region positioned outward from a winding terminal edge of the first separator; the second separator includes an extending portion extending beyond the winding terminal edge of the first separator in the winding direction; at least a part of the extending portion and a region positioned inward from the extending portion in the second separator are bonded together with a second adhesive layer existed on a surface of the second separator; and a heat-resistant layer is existed on an outermost surface of the wound electrode body.

Abstract: Provided is a technique that can obtain a wound electrode body simply and conveniently. One aspect of a battery herein disclosed is provided with a wound electrode body in which a positive electrode and a negative electrode are wound around in a predetermined winding direction around a winding axis via a separator. The battery includes a first separator and a second separator as the separator; the second separator includes a region positioned outward from an winding terminal edge of the first separator; the second separator includes an extending portion extending beyond a winding terminal edge of the first separator in the winding direction; a second adhesive is existed at least on a part of an inner surface of the extending portion; and the extending portion and a region positioned inward from the extending portion in the second separator are bonded via the second adhesive layer.

Abstract: A battery disclosed herein includes a wound electrode body in which a positive electrode and a negative electrode are wound through a separator. The separator includes the adhesive layer on at least one surface, and on the one surface, a non-formation region where the adhesive layer is not formed is provided in at least one end part in a winding axis direction.

Abstract: Disclosed herein is an electrolyte composition that includes zinc chloride, an alkali metal chloride, acetonitrile, and water.

Abstract: Secondary carbon batteries are attractive from an environmental perspective, as they have carbon-only electrodes and are therefore metal-free. Current invention refers to novel secondary carbon batteries with water-based brine electrolytes. These electrolytes have low toxicity, are not flammable, and allow for easy on-site battery recycling. The inventive carbon batteries feature graphite current collectors, activated carbon electrodes, and aqueous eutectic electrolytes comprising NaCl, KCl, MgCl2, or CaCl2. Further improvement of the batteries is performed by an initial repetitive charge-discharge cycling with subsequent replacement of the spent electrolyte. The improved secondary carbon batteries with the operating voltage of about 1.8 V can be used for electric storage utilities of renewable energy installations.

Abstract: Provided herein arc systems and methods for using an ultrasonic vibration generator to apply vibrational energy to a metal negative electrode of a rechargeable battery. In some examples, the application of vibrational energy to the metal negative electrode occurs during a charging event.

Abstract: A battery module includes a battery cell stack formed by stacking a plurality of battery cells; a module frame that houses the battery cell stack; and a compression pad disposed between the battery cells, wherein the compression pad has a porous structure.

Abstract: An electrochemical cell (10) comprising an anode compartment (14) and a cathode compartment (15) each defined in part by a respective metal plate (11, 12), the anode compartment (14) of the cell when charged containing an alkali metal, and the of the alkali metal, and the anode compartment (14) also comprises a perforated planar sheet (24) of an inert metal immediately adjacent to the sheet (23) of ceramic, to provide support to the sheet of ceramic. The perforated metal sheet and the planar sheet of ceramic are formed separately. The cell (10) may be a sodium/metal halide cell; and multiple cells (10) which define edge flanges (20) may be stacked in an insulating frame (35), so a heat transfer fluid may be passed between the edge flanges (20) of the cells (10).

Abstract: The present disclosure provides a battery pack, an electric tool, and a charging device.

Abstract: According to an embodiment of the present disclosure, a method for controlling a battery system by a battery management system may comprise: performing a procedure for switching a state of at least one battery pack to a sleep mode which is a low power state, in response to no request for use of the battery system having been received from an upper system for a predetermined period of time; exiting the procedure for switching to the sleep mode, in response to a request for activating the battery system that is received from the upper system during performing a plurality of operations included in the procedure for switching to the sleep mode; and switching the state of the at least one battery pack to a normal state.

Abstract: Systems, apparatuses, methods, and computer program products for aspiration based measurement and analysis of gases are provided. An example of such a system includes multiple gas sources, a distribution subsystem, an aspiration subsystem, a gas conditioning subsystem, and an gas analyzing unit. The distribution subsystem may include one or more valves, the aspiration subsystem may include one or more aspiration pumps, and the gas conditioning subsystem may include one or more gas conditioners. Various embodiments may include a purging subsystem and a cooling subsystem. The system may control the subsystems to measure and analyze a gas sample to determine an alarm state and generate and transmit one or more alarm states or alerts.

Abstract: Aspects of the present disclosure involve a smart battery for mobile devices, or otherwise, that incorporate a more sophisticated charge (and in some instances discharge) techniques that provide an integrated intelligence, which may involve processing capability and/or memory, to facilitate sophisticated and more effective charging techniques as compared to other charging schemes. The benefits of such charging techniques include faster charging rates, slower battery degradation, enhanced capacity, enhanced capacity maintenance, improved temperature operation, and/or others. Moreover, the integrated intelligence may facilitate the adaptation of new battery arrangements for a mobile device where conventionally a mobile device can only operate with the battery to which it was designed, leaving no option for upgrading battery technology.

Abstract: A battery pack includes a monitoring device, at least one first switching element, an interface having a plurality of electrical contacts, and a measurement circuit. The monitoring device is configured to actuate the at least one first switching element, such that a charge or discharge current is interrupted or enabled via at least two of the electrical contacts of the plurality of electrical contacts. The measurement circuit is configured to convert a voltage value of a monitoring voltage into a measurement value of a measurement voltage in order to actuate the at least one first switching element. The monitoring device is configured to compare the measurement value with at least one first limit value and, when the limit value is exceeded or undershot, the monitoring device is configured to open the at least one first switching element.

Abstract: A lithium precipitation detection method may include: sending, when a battery management module in the battery pack determines that a change in a charging voltage of the battery pack meets a predetermined condition, a charging request containing a first current to a charging pile for charging, and controlling the battery pack to be charged with the first current for a first predetermined duration and a second predetermined duration, where the first predetermined duration is equal to the second predetermined duration; obtaining, by the battery management module, a first voltage change amount within the first predetermined duration and a second voltage change amount within the second predetermined duration; and determining, when the battery management module determines that a difference between the second voltage change amount and the first voltage change amount is greater than a predetermined voltage threshold, that lithium precipitation occurs in the battery pack.

Abstract: A rechargeable e-cigarette can include a battery which provides a voltage output that has a maximum level when the battery is fully charged; a connector located on an exterior of the e-cigarette to allow the e-cigarette to be electrically connected to an external power supply for re-charging without disassembly of the e-cigarette; and a recharging mechanism for re-charging the battery using power from the external power supply when the connector is electrically connected to the external power supply; wherein the re-charging mechanism is configured to determine the voltage output of the battery, and to prevent re-charging of the battery if the voltage output of the battery is above a predefined threshold level, wherein the predefined threshold level is below the maximum level of the voltage output of the battery.

Abstract: A battery module including a battery frame, a plurality of locking structures, a plurality of battery units, and a plurality of lug structures is provided. The battery frame is provided with an accommodating space. The battery frame includes a first portion extending along a first direction and a second portion extending along a second direction. The first direction is different from the second direction. The locking structures are disposed on the battery frame. At least one of the plurality of locking structures is disposed on an outer side of each of the first portion and the second portion. The battery units are disposed in the accommodating space. Each of the lug structures includes a lock portion configured to detachably engage with one of the locking structures.

Abstract: A cell management module for a power supply module including a plurality of power cells includes at least one cell-sensing circuit and a current measurement circuit connected to the at least one cell-sensing circuit. The at least one cell-sensing circuit includes a transformer having a first winding and a second winding inductively coupled to the first winding. A first sub-circuit of the cell-sensing circuit includes the first winding of the transformer and is operable to selectively pulse a first signal through the first winding. A second sub-circuit of the cell-sensing circuit includes the second winding of the transformer and one of the power cells of the power supply module. The current measurement circuit is connected to the first sub-circuit of the at least one cell-sensing circuit and infers a voltage of the power cell based on a measured current of the first signal.

Abstract: The treating method for a positive electrode for a non-aqueous electrolyte secondary battery is a treating method for a positive electrode for a non-aqueous electrolyte secondary battery which comprises a positive electrode having a foil containing Al and an active material which is a metal composite oxide, the method comprising: conducting a heating treatment for heating the positive electrode (heating step); melting the positive electrode using heat of reaction of the foil and the active material to obtain a molten material (melting step); and separating the molten material into a metal material containing a metal constituting the metal composite oxide and a slag (separating step). By subjecting the positive electrode to heating treatment, a reduction reaction of the positive electrode can be promoted at a low cost.

Abstract: Disclosed are a method for selectively extracting lithium from a retired battery and an application of the method. According to the method, on the basis of an ion exchange effect between a divalent manganese ion and a lithium ion, a positive electrode material and a divalent manganese salt are mixed according to a certain proportion and prepared into a slurry, and the divalent manganese salt and the positive electrode material are fully mixed by means of a ball milling process, such that a lattice structure of the positive electrode material is effectively damaged, thereby reducing activation energy of exchange of the divalent manganese ion and the lithium ion and greatly reducing reaction energy required by a subsequence lithium extraction process.

Abstract: A treatment method of scrapped positive electrode slurry, includes the following steps: pretreating the scrapped positive electrode slurry to obtain a slurry solution; performing electrophoresis coagulation and filter pressing on the slurry solution to obtain a liquid phase and a solid phase; and performing gradient roasting on the solid phase to obtain a positive electrode material.

Abstract: The present disclosure relates to a method of recycling a positive electrode active material and a recycled positive electrode active material prepared by the same. More particularly, the present disclosure relates to a method of recycling a positive electrode active material, the method including step A of recovering a positive electrode active material by heat-treating a waste positive electrode including a current collector and a positive electrode active material layer coated thereon at 300 to 650° C. in air; step B of precipitating the recovered positive electrode active material in a basic aqueous lithium compound solution for 10 to 40 minutes; step C of removing a supernatant after the precipitation step and obtaining a precipitate; and step D of adding a lithium precursor to the obtained precipitate and performing annealing at 400 to 1,000° C. in air and a recycled positive electrode active material prepared by the method.

Abstract: Provided is a battery housing. The battery housing has an opening at both ends in a length direction, respectively, and the battery housing is provided with at least one cooling unit extending along the length direction. The cooling unit is provided with a coolant channel for coolant circulation, and the at least one cooling unit divides the internal space of the battery housing into at least two accommodating cavities spaced apart from top to bottom in a height direction. Each accommodating cavity is used for accommodating a battery cell. By providing the cooling unit in the battery housing, the heat generated by the battery cell can be dispelled immediately, thereby quickly and effectively solving the heat dissipation problem of the battery cell during charging and discharging. Also provided are a lithium-ion secondary battery and an electric vehicle.

Abstract: Provided are a battery cell and a battery pack, and more particularly, a battery cell which has a fire extinguishing means for cooling and extinguishing the battery cell when the battery cell is overheated or initially ignited to prevent a battery fire accident, and a battery pack including the same.

Abstract: A battery module includes a cell stack including a plurality of battery cells; at least one composite interposed between neighboring battery cells of the plurality of battery cells; and a module case configured to accommodate the cell stack, wherein the composite includes a pair of first members configured to be compressed by a volume expansion of the plurality of battery cell caused by swelling, the pair of first members comprising a same material; and a second member interposed between the pair of first members configured to block heat transfer between the neighboring battery cells.

Abstract: Disclosed in the present application is a self-heating structure and a battery pack including the same. The self-heating structure includes a heating member, including a heating body and a connection lead molded on the heating body, the connection lead being used for electrically connecting a positive electrode tab of a core pack or a negative electrode tab of the core pack, so that a self-heating circuit is formed by the heating member and the core pack; and a control unit, controlling an on/off switching of the self-heating circuit according to temperature of the core pack, the control unit being provided on the connection lead to integrate the control unit and the connection lead.

Abstract: A cooling structure for a battery mounted on a vehicle includes a battery assembly, an air inlet, a heat exchanger, and a cooling passage. The battery assembly includes battery modules that are arranged along a front-rear direction of the vehicle. The air inlet is positioned on ahead of the battery assembly in the front-rear direction. The air inlet is configured to allow outside air to blow through the air inlet during traveling of the vehicle. The cooling passage is configured to allow a heating medium for cooling the battery modules to circulate between the battery assembly and the heat exchanger. The battery assembly is configured so that a battery module of the battery modules positioned closer to a rear of the vehicle in the front-rear direction is more cooled by the heating medium.

Abstract: A battery arrangement (1) comprising a number of batteries (2), arranged next to each other forming a battery pack (6a) with a top surface (7) and an opposing bottom surface (8), wherein the battery arrangement (1) comprises at least one thermal structural element (9) arranged against a top surface (7) and/or a bottom surface (8) of the battery pack (6a) for cooling or heating the batteries (2) via a top end plate (3) and/or a bottom end plate (4) of the batteries via a first through channel (10) in the thermal structural element (9) being configured to lead a thermal fluid medium through the thermal structural element (9), wherein the battery arrangement (1) comprises a fixation element (36; 15, 30, 37) configured to fixate the position of each battery (2) with relation to the thermal structural element (9).

Abstract: Energy storage radiators are disclosed. The structure of the radiator may be used as a battery to store and release energy, as well as serving to regulate the temperature of that battery and the associated device or vehicle. The structure may be configured to provide mechanical support, an enclosure, an attachment point, or an extension for a vehicle or a device. By designing an energy storage radiator to function as a battery, a separate battery superstructure may not be required. Also, the heat to be radiated away can be used to keep the battery in its operating temperature range. This may provide mass reduction of the radiator structures or materials, as well as make those materials multifunctional and replace material elsewhere with respect to conventional systems.

Abstract: Aspects of the disclosure involve various battery packs. In general, the battery pack includes a battery cell and an enclosure. The enclosure includes a first portion and a plurality of walls that extend perpendicularly from the first portion. The enclosure includes a second portion connected to the plurality of walls to form a body enclosing the battery cell. The first portion, the second portion, and the plurality of walls are a first material comprising stainless steel. The enclosure includes a layer of a second material covering at least a portion of at least one of the first portion, the second portion, and one of the plurality of walls. The second material comprises aluminum, an aluminum alloy, copper, a copper alloy, graphite, graphene, or a combination thereof and has a greater thermal conductivity than the first material.

Abstract: A heat exchanger includes a fluid inlet, a fluid outlet, a first plate, and a second plate. A third plate is disposed between the first plate and the second plate; a first fluid channel is formed between the first plate and the third plate, and a second fluid channel is formed between the second plate and the third plate. The heat exchanger has a first end and a second end; the fluid inlet is close to the first end of the heat exchanger and communicated with the first fluid channel; the fluid outlet is close to the first end of the heat exchanger and communicated with the second fluid channel; and the first fluid channel and the second fluid channel are communicated at the position close to the second end of the heat exchanger.

Abstract: A heat exchanger for thermal management of battery units made-up of plurality of battery cells or battery cell containers housing one or more battery cells. The heat exchanger has a main body portion defining at least one primary heat transfer surface for surface-to-surface contact with a corresponding surface of at least one of the battery cells or containers. A plurality of alternating first and second fluid flow passages are formed within the main body portion each defining a flow direction, the flow direction through the first fluid flow passages being generally opposite to the flow direction through the second fluid flow passages providing a counter-flow heat exchanger. In some embodiments the heat exchanger has two pairs of inlet and outlet manifolds, the heat exchanger providing a single-pass, counter-flow arrangement. In other embodiments the first and second fluid flow passages are interconnected by turn portions forming a U-flow, counter-flow heat exchanger.

Abstract: A battery module with a cooling device, which has multiple battery cells arranged next to one another in a first direction. The cooling device has at least one cooling unit, which is arranged between at least a first and a second battery cell arranged adjacent in the first direction. The cooling unit has a first wall and a second wall, and a first intermediate space through which a coolant can flow and which is delimited by the first and second walls in relation to the first direction. The first wall is formed from a first material, and the second wall is formed from a second material that is different from the first material. The first material has a higher thermal conductivity than the second material.

Abstract: The present disclosure provides an electrical system for an electrical vehicle, comprising: at least one electrical component; a cooling loop including a low-conductivity coolant coupled to each of the at least one electrical component; and at least one filter in the cooling loop. The cooling loop is configured to flow or circulate the low-conductivity coolant through each of the at least one battery and/or electrical component and the at least one filter includes a polisher material.

Abstract: An electrical energy store for storing electrical energy for a motor vehicle, having a plurality of storage cells which are configured to store the electrical energy and which each have a cell housing which delimits a receiving space, and a line element through which a temperature-control liquid can flow and which extends through the receiving space, wherein the storage cells are retained with a cell holder which is constructed separately from the storage cells and which at least limits relative movements between the storage cells, and which has domes through which the temperature-control liquid can flow and which are inserted into the line elements, and via which the temperature-control liquid can be introduced into the line elements and/or discharged from the line elements.

Abstract: A battery pack includes: a pack frame; a plurality of first battery modules installed on an upper portion of the pack frame; and a plurality of second battery modules installed on a lower portion of the pack frame, and a heat insulating member is attached to a lateral side of the first battery module disposed on an outermost side in the pack frame from among the first battery modules.

Abstract: A device for heating a battery cell including an electrode assembly accommodated in a case and an electrode lead connected to the electrode assembly and having at least a portion disposed outside of the case includes a cell fixing portion in which at least one battery cell is disposed; and a heating unit configured to partially supply thermal energy to the battery cell, wherein the heating unit supplies thermal energy to the electrode lead disposed outside of the case.

Abstract: A metal-air battery including: a current collector; a metal electrode including a metal and contacting the current collector; an air electrode on the metal electrode and opposite the current collector; a solid electrolyte between the metal electrode and the air electrode; a discharge product of the metal on the air electrode; wherein the metal-air battery is configured to release the discharge product.

Abstract: The disclosure relates to the technical field of batteries, and particularly to a battery and a battery device. The battery has a prismatic structure, a top surface, a bottom surface, two first sides, and two second sides. The two first sides are spaced apart along a first direction and each perpendicular to the first direction. The two second sides are spaced apart along a second direction and each perpendicular to the second direction. The first direction is perpendicular to the second direction. An area of the first side is greater than an area of the second side, a folded edge is disposed on at least one edge of one of the first sides, and the folded edge extends in the first direction.

Abstract: A pouch-type secondary battery according to an embodiment of the present invention for achieving the above object includes: an electrode assembly in which electrodes and separators are stacked; a pouch-type battery case comprising a first case and a second case, wherein at least one the first case and the second case comprises a cup part configured to accommodate the electrode assembly; a folding part coupling the first case to the second case; and a protrusion protruding from a portion of each of opposing ends of the folding part, wherein the protrusion has a length of 1.5 mm or less.

Abstract: A battery device includes batteries arranged in a first direction. Each battery includes a top surface, a bottom surface, two first side surfaces, and two second side surfaces. The first side surfaces are perpendicular to and spaced apart in the first direction. The second side surfaces are parallel to the first direction and spaced apart in a second direction perpendicular to the first direction. Each battery has a flange structure arranged along at least one of the top surface, the bottom surface, and the second side surfaces. The battery device further includes brackets in contact with at least one of the top surface, the bottom surface, and the second side surfaces. The height of each bracket is greater than or equal to the height of the flange structure. At least a part of each bracket is located between at least a part of the flange structures of adjacent batteries.

Abstract: The present disclosure provides a battery cap and a battery. The battery cap includes a cap body and a pole assembly sealingly connected to the cap body and including a pole body and a connection member. The pole body is disposed on a side of the cap body, and the connection member is disposed on another side of the cap body; the pole body includes a limiting portion and a socket portion that are connected to each other, the socket portion being disposed on a side of the limiting portion, and a side of the connection member close to the pole body is recessed to define a mounting groove; the socket portion is inserted into and fixed to the mounting groove.

Abstract: A battery cell includes a battery element, a front lid member covering one end portion of the battery element in a predetermined direction, and an exterior film at least partially wrapped around the predetermined direction of the battery element. The exterior film is rounded along the battery element in at least one corner of the battery element around the predetermined direction.

Abstract: A battery cell includes a battery element, a positive electrode tab electrically connected to the battery element, a front lid member covering an end portion of the battery element with the positive electrode tab drawn from the front lid member, and an exterior film at least partially wrapped around the battery element. At least a part of the front lid member covers at least a part of an end portion of the exterior film.

Abstract: A nonaqueous electrolyte secondary battery is provided with a bottomed tubular outer can accommodating an electrode body, and a sealing body for sealing an opening portion of the outer can. A crimped portion for crimping and securing the sealing body is formed in the outer can by bending the edge portion of the opening portion inward in the radial direction, and the sealing body includes a rupture disk, a cathode cap including a flange, and a metal height adjusting portion for adjusting the height of the crimped portion.

Abstract: The present disclosure provides a battery including an electrode body, a current collector terminal disposed on a side surface of the electrode body, and a laminate film covering the electrode body and the current collector terminal. The current collector terminal has a first surface opposed to the electrode body, a second surface opposed to the first surface, a third surface extending from an outer edge of the first surface toward the second surface side, and a first connecting surface connecting the third surface and the second surface. When the battery is viewed in the thickness direction, the boundary between the third surface and the first connecting surface is set to B1, and the boundary between the first connecting surface and the second surface is set to B2, the B2 is located inside the B1 in the thickness direction. The laminate film covers the third surface and the first connecting surface.

Abstract: A herein disclosed terminal includes a first conductive member, a second conductive member that is electrically connected to the first conductive member, and a welded joint that is for welding and joining the first conductive member and the second conductive member. Then, the first conductive member and the second conductive member are composed of mutually different metals. The welded joint is disposed to penetrate the first conductive member and then to reach the second conductive member. A surface of the welded joint herein is covered with a tape or a resin member.

Abstract: Provided are a highly reliable cylindrical battery and the like which exhibit a small variation in operation pressure of a current cutoff mechanism. A cylindrical battery comprises a current cutoff mechanism having a sealing body which includes a terminal plate for cutting off flowing of current by being broken. A gasket of the cylindrical battery has, in an independent state before incorporation into an exterior can, a cylindrical part and an annular part which extends from an end at a first axial side of the cylindrical part to the radially inner side. The annular part has, at a radially inner side portion of a surface at the first axial side, a recess recessed toward a second axial side.

Abstract: The battery pack includes a cell stack and a battery case. The cell stack is formed by stacking a plurality of battery cells having a substantially rectangular parallelepiped shape. The battery case is formed in a substantially rectangular parallelepiped shape and accommodates the cell stack. The battery case includes a first protrusion protruding from an outer surface of the battery case to an outside of the battery case at a position of a gap between adjacent battery cells in a stacking direction of the cell stack.